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Table of Contents
Summary of Contents for Sensotran Sensotox C2 EC
- Page 1 SENSOTOX C2 User Manual Version 2.0 April 2024...
- Page 2 READ THE MANUAL BEFORE USING This manual should be carefully read by those who have or will have responsibility for use, maintenance or repair of the product. This product will perform properly only if used, maintained and repaired in accordance with the manufacturer's instructions. CAUTION Disconnect the power before removing the sensor.
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Page 3: Table Of Contents
Contents INTRODUCTION ......................2 TECHNICAL SPECIFICATIONS ................. 3 Sensotox C2 EC specifications ..................3 Sensotox C2 IR specifications ..................4 Sensotox C2 PID specifications ..................5 OPERATION ........................6 Physical Description ...................... 6 Installation ........................7 2.2.1 Installing ........................8 2.2.2 Uninstalling ........................ -
Page 4: Introduction
1. INTRODUCTION Sensotox C2 EC uses an electrochemical sensor to detect oxygen and toxic gases. It operates with voltages from 12 to 24 V DC or universal power (110–230V AC). It has both an analogue (4-20 mA) and digital (RS-485, ModBus) output. -
Page 5: Technical Specifications
TECHNICAL SPECIFICATIONS Sensotox C2 EC specifications Size 160 mm x 100 mm x 85 mm Weight 1.6 kg Sensor Electrochemical Calibration 2 points (zero & span) IP-54 Power supply 12-24 Vdc, 110-230 Vac 4 – 20 mA Output RS-485, at 4.8, 9.6 or 19.2 Kb/seg. -
Page 6: Sensotox C2 Ir Specifications
7 segments, 4 digits and 6 LEDs Three key, non-intrusive access User interface calibration and adjustment -40 a 60 °C Temperature Humidity 0-95% RH (non-condensing) Pressure 0.9 – 1.1 Atm Relay contacts 250 V, 2 A normally open V2.0 Sensotran, s.l – 11/04/2024 Page 4... -
Page 7: Sensotox C2 Pid Specifications
7 segments, 4 digits and 6 LEDs Three key, non-intrusive access User interface calibration and adjustment -40 a 60 °C Temperature Humidity 0-95% RH (non-condensing) Pressure 0.9 – 1.1 Atm Relay contacts 250 V, 2 A normally open V2.0 Sensotran, s.l – 11/04/2024 Page 5... -
Page 8: Operation
2. OPERATION The calibration of all new instruments acquired from Sensotran should be checked by exposing the sensor to a known concentration of gas before the instrument is put into service. For maximum safety, accuracy should be verified by exposing the sensor to a known concentration of gas over a period. -
Page 9: Installation
Installation ATTENTION 1. To prevent ignition in explosive atmospheres, the area must be free of flammable gases and the power supply to the detector must be disconnected before opening the cover. V2.0 Sensotran, s.l – 11/04/2024 Page 7... -
Page 10: Installing
1. Unscrew the 4 screws on the lid, remove the lid, and the display flat cable connector. 2. Disconnect the power connectors and communication/relay connectors. 3. Disconnect the sensor connector. 4. Unscrew the 2 main board screws. 5. Remove the main board. 6. Unscrew the sensor. V2.0 Sensotran, s.l – 11/04/2024 Page 8... -
Page 11: Wiring
21 4/20 mA In (Signal) Fault Relay (n/o) 2.2.4 Installing the unit 1. Fit the connectors into their respective locations. Leave an extra cable length to allow mounting on the wall. 2. Plug the display flat cable. 3. Place the cover. V2.0 Sensotran, s.l – 11/04/2024 Page 9... -
Page 12: Display & User Interface
LED "Ok" is activated and the gas concentration is displayed. If an error appears, the "FAIL" LED and error message flash. Each alarm condition has its corresponding LED. 3.4 Alarm contacts V2.0 Sensotran, s.l – 11/04/2024 Page 10... - Page 13 Out of range Alarm ALM2 High 8888 22 mA Calibration Alarm ALM2 Fault E003 2 mA fault flashing Sensor drift Alarm ALM2 Fault E004 2 mA flashing Alarm ALM2 Fault E005 2 mA saturated flashing V2.0 Sensotran, s.l – 11/04/2024 Page 11...
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Page 14: Calibration
4 CALIBRATION ATTENTION The calibration of all unit purchased from Sensotran should be tested by exposing the sensor to a known concentration of gas before putting the instrument into service. For maximum safety, the accuracy of Sensotox C2 should be checked by exposing the sensor to a known concentration of gas over a period of time Sensotox C2 units are calibrated using a two-point calibration process. - Page 15 Zero calibration data is saved. Note: The device returns to display reading after 60 seconds of inactivity. When Zero Calibration will be finished, instrument will advance to Span Calibration. When finished, program will go to Span Calibration. V2.0 Sensotran, s.l – 11/04/2024 Page 13...
- Page 16 Reading Mode MODE MODE MODE 2ErO SPAn MODE Countdown Countdown Display Value Display Value Reading Mode V2.0 Sensotran, s.l – 11/04/2024 Page 14...
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Page 17: Span Calibration
4. To quit the Menu and return to actual reading screen, press [+]. If not, the instrument will return automatically to actual reading screen after a short period. 5. Close the gas valve. V2.0 Sensotran, s.l – 11/04/2024 Page 15... -
Page 18: Advanced Menu
Reading Screen Press and hold 1 second Press and hold 1 second MODE Press and hold 1 second CALu Edit Parameter MODE Advanced Menu (Next Parameter) After 60 seconds without activity, detector returns to actual reading screen. V2.0 Sensotran, s.l – 11/04/2024 Page 16... - Page 19 If the setting has been modified, new value will blink. • Press [-] or [MODE] to dismiss modifications and go to next setting. • Press [+] to save changes. “SAuE” will be displayed to confirm changes have been stored. V2.0 Sensotran, s.l – 11/04/2024 Page 17...
- Page 20 Pressing [MODE] will circulate over next option. To edit a value, press [+] and display will show the actual setting for the parameter. You can exit anytime from Advanced Menu by pressing [-]. If any key press is detected for 60 seconds, system will return to Reading Mode. V2.0 Sensotran, s.l – 11/04/2024 Page 18...
- Page 21 CALu Edit Setting MODE Edit Setting MODE Edit Setting MODE Edit Setting MODE Edit Setting MODE bAUd Edit Setting MODE Aout Edit Setting MODE Reading Mode V2.0 Sensotran, s.l – 11/04/2024 Page 19...
- Page 22 How to edit and modify Settings. Increased Value Decreased Value MODE (Setting modified) (Setting non modified) (Blinking) MODE SAuE Value V2.0 Sensotran, s.l – 11/04/2024 Page 20...
- Page 23 4-20 mA Analogue Output adjustment. Aout Edit Setting MODE Edit Setting MODE V2.0 Sensotran, s.l – 11/04/2024 Page 21...
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Page 24: Troubleshooting
The Sensotox C2 communicates by means of MODBUS RTU. All monitors provide 4-byte register value. Gas concentration is the only value that can be retrieved. As example 34 hex = 52 decimal. 1. Communication Setting Transmission Mode: RTU Controller: PC or GasVisor Controller. V2.0 Sensotran, s.l – 11/04/2024 Page 22... - Page 25 Note: Detector data length is 4 bytes. Example: Request: 01 03 00 02 00 02 CRC CRC Answer: 01 03 04 00 00 00 3A 7A 20 Note: The maximum distance should be less than 1 Km when using a 1.5 mm cable. V2.0 Sensotran, s.l – 11/04/2024 Page 23...
- Page 26 Bergueda 1 2nd Floor Office A3 Mas Blau Industrial Area El Prat de Llobregat BARCELONA – SPAIN Tel. +34 93 478 5842 sensotran@sensotran.com V2.0 Sensotran, s.l – 11/04/2024 Page 24...
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